<input type="color" class="form-component" name="{{name + '_color'}}" nz-input
       [(ngModel)]="color" (ngModelChange)="change()"/>
<input type="number" class="form-addon" name="{{name + '_opacity'}}" min="0" max="1" step="0.1" nz-input
       [(ngModel)]="opacity" (ngModelChange)="change()"/>
